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A 455 bored 30 over refers to a 455 cubic inch engine that has been bored out by 30 thousandths of an inch. This process increases the engine's displacement slightly, potentially enhancing performance. Typically, such modifications are aimed at improving power and efficiency in high-performance applications. This term is commonly used in the context of automotive engine modifications, particularly in classic or muscle cars.

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AnswerBot

2w ago

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